A kind of equipment of Full-automatic calibration and calibration based on air quality sensor module
Technical field
The present invention relates to field of artificial intelligence, specially a kind of full-automatic school based on air quality sensor module
Quasi- and calibration equipment.
Background technique
Since the air quality sensor technology development of domestic MEMS technology is later, many tests and production equipment are not
Improve imperfect, the entire prior art is all more primary, without too big reference significance.The prior art is substantially more former
The technology of beginning is individually demarcated and is calibrated using each module, and have the shortcomings that many and inconvenience, be mainly reflected in: (1) time-consuming:
Individual module calibration or 8 are demarcated with internal module: time-consuming for calibration, and calibration consistency is poor, it is single or 8 between a little point
Association, but relevance is seriously inadequate, it is poor in other words.(2) consistency is poor: calibration result comparison of coherence is poor: different batches
Between otherness it is bigger.(3) low efficiency: every time only within calibration 1 or 8.(4) Human disturbance factor is more: needing hand
It is dynamic to update different reference gas.
Summary of the invention
The purpose of the present invention is to provide a kind of Full-automatic calibrations based on air quality sensor module to set with what is demarcated
It is standby, by the way of bottom plate and motherboard separation, the superposition of multiple bottom plates and motherboard is realized, so that the quantity of test module can be at
Increase again, to improve the efficiency of batch production air quality sensor module, and uses the communication of upper computer and lower computer, it can
The particular state of each module at work is more fully perceived with more convenient, correct for module testing result judges more
It is accurate and effective, it ensure that product quality, solve the problems of the prior art.
To achieve the above object, the invention provides the following technical scheme: it is a kind of based on the complete of air quality sensor module
Automatic to calibrate and the equipment of calibration, including cabinet, the bottom in the cabinet is equipped with bracket, and test bottom plate is equipped on bracket
With test motherboard, for test bottom plate by route and test motherboard communication connection, the side wall in cabinet is equipped with the first fan, this
One fan is connect by route with the test bottom plate;Bottom in cabinet is also equipped with heater and the second fan, should add
Hot device is connect by the heater circuit contained on route and the test bottom plate, which passes through route and the test bottom
The fan drive circuit connection contained on plate;Be also equipped with the fixed device of gas phase and liquid phase sample introduction in cabinet, the gas phase and liquid phase into
The fixed device of sample is connect by the J foot of the motor-drive circuit contained on route and the test bottom plate;One end of the fan
It is additionally provided with the closed door device of inlet and outlet, which tests the motor driven contained on bottom plate with described by route
The DC motor foot of circuit connects;Containing data transmission circuit, fan drive circuit, by one-key communication electricity on the test bottom plate
Road, motor-drive circuit, buzzer circuit, test bottom plate MCU chip circuit, liquid heater circuit, communication extension circuit, test
Motherboard main control chip circuit, gas mixing fan driving circuit and battery charge-discharge circuit.
Preferably, the data transmission circuit is made of serial ports JS1 and resistance R17- resistance R20, wherein serial ports JS1's
6 series resistor R19 of foot is followed by RXD1 terminal, and the 7 series resistor R20 of foot of serial ports JS1 is followed by TXD1 terminal, resistance R17 and resistance
One end of R18 is respectively electrically connected on the foot 6 and 7 circuit interface of foot of serial ports JS1, and the other end is all connected to VDD_MCU terminal.
Preferably, the fan drive circuit is made of triode Q6, triode Q7 and resistance R21- resistance R24, wherein
The pole S of triode Q6 connects VDC_IN terminal, and the pole D of triode Q6 connects 5V_FAN3 terminal, and the pole G of triode Q6 concatenates electricity
Resistance R22 is followed by the foot 3 of triode Q7, and the 1 series resistor R24 of foot of triode Q7 is followed by FAN3 terminal, and the both ends of resistance R21 are in parallel
On the pole S of triode Q6 and G polar circuit interface, one end of resistance R23 is connected electrically on the circuit interface of resistance R24, resistance
The other end of R23 connects VDC_IN terminal.
Preferably, the key telecommunication circuit is made of key switch K1- key switch K3 and communication interface SIP3,
In, key switch K1 is connected to K_CHE CK terminal, and key switch K2 is connected to K_CHE CK1 terminal, and the one of key switch K3
End is connected on the circuit interface of key switch K2, and the other end is connected to K_CHE CK2 terminal, and the foot 1 of communication interface SIP3 connects
It is connected to TXD1 terminal, the foot 2 of communication interface SIP3 is connected to RXD1 terminal.
Preferably, the test bottom plate MCU chip circuit is made of main control chip U1, the foot 19,20 of main control chip U1
It is connected to RXD, TXD terminal, the foot 23,24 of main control chip U1 is respectively connected to K_CHECK, K_CHECK1 terminal, the master
The foot 36 of control chip U1 is connected to FAN1 terminal, and the foot 37,38,39 of main control chip U1 is connected to the end P00, P01, P002
The foot 12 of son, main control chip U1 is connected to VDD_MCU terminal.
Preferably, the buzzer circuit is made of triode Q9 and buzzer BL1, plays heavy industry, and the foot 1 of triode Q9 is gone here and there
Connecting resistance R133 is followed by BUZ/PWN terminal, and the foot 3 of triode Q9 is connected to the foot 2 of buzzer BL1, and the foot 1 of buzzer BL1 connects
It is connected to BAT_5V terminal.
Preferably, chip U9 and socket J01, socket J02, socket J03, motor is driven by motor in the motor-drive circuit
DC and loudspeaker SPKR composition, socket J01 by route with test bottom plate MCU chip circuit 12 connect, socket J02 pass through route and
The motor connection of the fixed device of liquid/vapor sample introduction is controlled, socket J03 passes through route and the closed door device for controlling inlet and outlet
Connection.
Preferably, the gas mixing fan driving circuit is made of triode Q3, Q4 and socket CN1, triode Q4's
By connection to testing bottom plate MCU chip circuit 12 after 1 series resistor R4 of foot, after the 3 series resistor R2 of foot of triode Q4
It is connected to the foot G of triode Q3, by connection to the port power vd C_IN, the foot D of triode Q3 connects the foot S of triode Q3
It is connected to socket CN1, socket CN1 passes through connection to the second fan.
Preferably, the liquid heater circuit is made of triode Q1, Q2 and socket CN5, and the foot 1 of triode Q1 concatenates electricity
Resistance R8 is followed by HEAT1 terminal, and the foot D of triode Q2 is connected to the foot 1 of socket CN5, and socket CN5 is filled by connection to heating
It sets.
Preferably, the evenly distributed clamping circuit for needing test module on the test motherboard, the clamping circuit is by spring
Testing needle S1, CN1 and CN2 composition, Spring test needle S1 entraining air mass sensor module, CN1 are connected to test module
Foot 3 and foot 4, CN2 pass through connection to test motherboard main control chip circuit.
Preferably, display screen circuit is also contained on the test motherboard, display screen circuit is by FPC board group at FPC plate passes through
Route and test motherboard main control chip circuit connection.
Preferably, the communication extension circuit 14 is made of switch chip U10, and the foot 3 and foot 13 of switch chip U10 passes through
Connection is to the port of test motherboard main control chip circuit, the foot 1,5,2,4 of switch chip U10 and 12,14,15,11 points of foot
Not Tong Guo connection to module to be tested clamping circuit terminal SI foot 3 and foot 4, the foot 9,10,6 of switch chip U10
Pass through connection to the port of test motherboard main control chip circuit.
Preferably, the battery charge-discharge circuit is made of management of charging and discharging chip U3 and socket CN4, management of charging and discharging core
The foot 5 of piece U3 is connected to socket CN4, and socket CN4 is connected to battery, the foot 4 of management of charging and discharging chip U3 by resistance R176,
R171 is connected to power input.
Compared with prior art, beneficial effects of the present invention are as follows:
It is female using test bottom plate and test based on the Full-automatic calibration of air quality sensor module and the equipment of calibration
The mode of plate separation realizes multiple test bottom plates and tests the superposition of motherboard, so that the quantity of test module can be doubled and redoubled,
To improve the efficiency of batch production air quality sensor module, and test bottom plate and test motherboard communication connection are used, it can
The particular state of each module at work is more fully perceived with more convenient, correct for module testing result judges more
It is accurate and effective, it ensure that product quality.
Detailed description of the invention
Fig. 1 is overall structure main view of the invention;
Fig. 2 is data transmission circuit figure of the invention;
Fig. 3 is fan drive circuit figure of the invention;
Fig. 4 is key telecommunication circuit figure of the invention;
Fig. 5 is motor-drive circuit figure of the invention;
Fig. 6 is buzzer circuit figure of the invention;
Fig. 7 is display screen circuit diagram of the invention;
Fig. 8 is test bottom plate MCU chip circuit diagram of the invention;
Fig. 9 is liquid heater circuit figure of the invention;
Figure 10 is module communication extension circuit diagram of the invention;
Figure 11 is test motherboard main control chip circuit diagram of the invention;
Figure 12 is the fan drive circuit figure for mixed gas of the invention;
Figure 13 is the clamping circuit diagram of module to be tested of the invention;
Figure 14 is battery charge-discharge circuit figure of the invention.
In figure: 1, cabinet;2, bracket;3, bottom plate is tested;4, motherboard is tested;5, the first fan;6, data transmission circuit;7,
Fan drive circuit;8, key telecommunication circuit;9, motor-drive circuit;10, buzzer circuit;11, display screen circuit;12, it surveys
Try bottom plate MCU chip circuit;13, liquid heater circuit;14, communication extension circuit;15, motherboard main control chip circuit is tested;16,
Gas mixing fan driving circuit;17, circuit is clamped;18, battery charge-discharge circuit;19, heater;20, the second fan;21,
Liquid/vapor sample introduction fixes device;22, closed door device.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1,7 and 13, a kind of equipment of Full-automatic calibration and calibration based on air quality sensor module, packet
Including cabinet 1, the bottom in the cabinet 1 is equipped with bracket 2, and test bottom plate 3 and test motherboard 4, test are equipped on bracket 2
Bottom plate 3 is communicated to connect by route and test motherboard 4, and the side wall in cabinet 1 is equipped with the first fan 5, which passes through
Route is connect with the test bottom plate 3;Bottom in cabinet 1 is also equipped with heater 19 and the second fan 20, the heater
19 heater circuit 13 by containing on route and the test bottom plate 3 is connect, which passes through route and the survey
The fan drive circuit 16 contained on examination bottom plate 3 connects;The fixed device 21 of gas phase and liquid phase sample introduction, the gas are also equipped in cabinet 1
The fixed device 21 of phase/liquid-phase inlet is connect by the J02 foot of the motor-drive circuit 9 contained on route and the test bottom plate 3;
One end of the fan 5 is additionally provided with the closed door device 22 of inlet and outlet, which passes through route and the test
The DC motor foot of the motor-drive circuit 9 contained on bottom plate 3 connects;Contain data transmission circuit on the test bottom plate 3
6, fan drive circuit 7, key telecommunication circuit 8, motor-drive circuit 9, buzzer circuit 10, test bottom plate MCU chip circuit
12, liquid heater circuit 13, communication extension circuit 14, test motherboard main control chip circuit 15, gas mixing fan driving circuit
16 and battery charge-discharge circuit 18;Test the evenly distributed clamping circuit 17 for needing test module on motherboard 4, the clamping circuit 17
It is made of Spring test needle S1, CN1 and CN2, Spring test needle S1 entraining air mass sensor module, CN1 is connected to test
The foot 3 and foot 4 of module, CN1 may be connected to computer or other equipment are used for the software program of burning module to be tested, and CN2 passes through
Connection is to test motherboard main control chip circuit 15, and CN2 may be connected to computer or other equipment are used to read tape test module
The data transmitted;Also contain display screen circuit 11 on test motherboard 4, display screen circuit 11 is by FPC board group at FPC plate
It is connect by route with test motherboard main control chip circuit 15.
Referring to Fig. 2, data transmission circuit 6 is made of serial ports JS1 and resistance R17- resistance R20, wherein serial ports JS1's
6 series resistor R19 of foot is followed by RXD1 terminal, and the 7 series resistor R20 of foot of serial ports JS1 is followed by TXD1 terminal, resistance R17 and resistance
One end of R18 is respectively electrically connected on the foot 6 and 7 circuit interface of foot of serial ports JS1, and the other end is all connected to VDD_MCU terminal;It is logical
The communication connection that data transmission circuit 6 realizes host computer and slave computer is crossed, convenient for the transmission of data.
Referring to Fig. 3, fan drive circuit 7 is made of triode Q6, triode Q7 and resistance R21- resistance R24, wherein
The pole S of triode Q6 connects VDC_IN terminal, and the pole D of triode Q6 connects 5V_FAN3 terminal, and the pole G of triode Q6 concatenates electricity
Resistance R22 is followed by the foot 3 of triode Q7, and the 1 series resistor R24 of foot of triode Q7 is followed by FAN3 terminal, and the both ends of resistance R21 are in parallel
On the pole S of triode Q6 and G polar circuit interface, one end of resistance R23 is connected electrically on the circuit interface of resistance R24, resistance
The other end of R23 connects VDC_IN terminal;Start the operation of fan 5 by fan drive circuit 7, to guarantee substantially uniformity
Air in melting concn gas and cabinet 1.
Referring to Fig. 4, key telecommunication circuit 8 is made of key switch K1, key switch K3 and communication interface SIP3,
In, key switch K1 is connected to K_CHE CK terminal, and key switch K2 is connected to K_CHE CK1 terminal, and the one of key switch K3
End is connected on the circuit interface of key switch K2, and the other end is connected to K_CHE CK2 terminal, and the foot 1 of communication interface SIP3 connects
It is connected to TXD1 terminal, the foot 2 of communication interface SIP3 is connected to RXD1 terminal;Man-machine interaction is realized by key telecommunication circuit 8,
People's equipment is operated convenient for people.
Referring to Fig. 5, chip U9 and socket J01, socket J02, socket J03, motor is driven by motor in motor-drive circuit 9
DC and loudspeaker SPKR composition, socket J01 by route with test bottom plate MCU chip circuit 12 connect, socket J02 pass through route and
The motor connection of the fixed device 21 of liquid/vapor sample introduction is controlled, socket J03 is filled by route with the sealed door for controlling inlet and outlet
Set 22 connections;Control control, the operation to the equipment connected are realized by motor-drive circuit 9.
Referring to Fig. 6, buzzer circuit 10 is made of triode Q9 and buzzer BL1, heavy industry, the foot 1 of triode Q9 are played
Series resistor R133 is followed by BUZ/PWN terminal, and the foot 3 of triode Q9 is connected to the foot 2 of buzzer BL1, the foot 1 of buzzer BL1
It is connected to BAT_5V terminal;Warning is provided by buzzer circuit 10, safety accident occurs on one side.
Referring to Fig. 8, test bottom plate MCU chip circuit 12 is made of main control chip U1, the foot 19,20 of main control chip U1
It is connected to RXD, TXD terminal, the foot 23,24 of main control chip U1 is respectively connected to K_CHECK, K_CHECK1 terminal, the master
The foot 36 of control chip U1 is connected to FAN1 terminal, and the foot 37,38,39 of main control chip U1 is connected to the end P00, P01, P002
The foot 12 of son, main control chip U1 is connected to VDD_MCU terminal.
Referring to Fig. 9, liquid heater circuit 13 is made of triode Q1, Q2 and socket CN5, the foot 1 of triode Q1 is concatenated
Resistance R8 is followed by HEAT1 terminal, and the foot D of triode Q2 is connected to the foot 1 of socket CN5, and socket CN5 passes through connection to heating
Device.
Referring to Fig. 10, communication extension circuit 14 is made of switch chip U10, complete to be extended to the extension of 4 tunnel, 1 tunnel by 1 tunnel
At multichannel, the foot 3 and foot 13 of switch chip U10 passes through connection to the port of test motherboard main control chip circuit 15, switch
The foot 1,5,2,4 and foot 12,14,15,11 of chip U10 passes through the end of the clamping circuit 17 of connection to module to be tested respectively
The foot 9,10,6 of the foot 3 and foot 4 of sub- SI, switch chip U10 passes through connection to the end of test motherboard main control chip circuit 15
Mouthful;
Figure 12 is please referred to, gas mixing fan driving circuit 16 is made of triode Q3, Q4 and socket CN1, triode Q4
1 series resistor R4 of foot after by connection to test bottom plate MCU chip circuit 12, the 3 series resistor R2 of foot of triode Q4
It is connected to the foot G of triode Q3 afterwards, the foot S of triode Q3 passes through connection to the port power vd C_IN, the foot D of triode Q3
It is connected to socket CN1, socket CN1 passes through connection to the second fan 20.
Figure 14 is please referred to, battery charge-discharge circuit 18 is made of management of charging and discharging chip U3 and socket CN4, management of charging and discharging
The foot 5 of chip U3 is connected to socket CN4, and socket CN4 is connected to battery, the foot 4 of management of charging and discharging chip U3 by resistance R176,
R171 is connected to power input.
In summary: based on the Full-automatic calibration of air quality sensor module and the equipment of calibration, using test bottom
The mode isolated with test motherboard 4 of plate 3 realizes multiple test bottom plates 3 and tests the superpositions of motherboard 4, so that test module
Quantity can be doubled and redoubled, to improve the efficiency of batch production air quality sensor module, and use test bottom plate 3 and test
Motherboard 4 communicates to connect, and can be more convenient more fully to perceive the particular state of each module at work, for module testing knot
The correct judgement of fruit is more accurate and effective, ensure that product quality, thus effective solution the problems of the prior art.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.